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Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 2013
Accounting Policies [Abstract]  
Redeemable Noncontrolling Interest [Table Text Block]

The following table presents changes in Redeemable Noncontrolling Interests.

 

    March 31,     December 31,  
    2013     2012  
Beginning Balance as of December 31,   $ 117,953     $ 107,432  
Redemptions           (16,712 )
Granted           4,189  
Changes in redemption value     1,542       22,912  
Currency Translation Adjustments     (318 )     132  
Ending Balance as of March 31,   $ 119,177     $ 117,953